Ответ:1 s
Объяснение:
F= 40 kN = 4 ×10^4
v0 = 20m/c
m = 2 × 10^3 kg
F=ma
a = F/m= 20
v0-v = at
V= 0
t = v0/a=20/20 = 1 s
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Ответ:1 s
Объяснение:
F= 40 kN = 4 ×10^4
v0 = 20m/c
m = 2 × 10^3 kg
F=ma
a = F/m= 20
v0-v = at
V= 0
t = v0/a=20/20 = 1 s